Table 20. Display specificationsî(continued)
Description Option one Option two Option three
Display-panel dimensions
(active area):
Height
193.54 mm (7.62 in.) 193.59 mm (7.62 in.) 193.59 mm (7.62 in.)
Width
344.23 mm (13.55 in.) 344.16 mm (13.55 in.) 344.16 mm (13.55 in.)
Diagonal
394.91 mm (15.55 in.) 394.87 mm (15.55 in.) 394.87 mm (15.55 in.)
Display-panel native
resolution
1366 x 768 1920 x 1080 1920 x 1080
Luminance (typical)
220 nits 250 nits 220 nits
Megapixels
1.05 M 2.07 M 2.07M
Color gamut
NTSC 45% typical NTSC 45% typical NTSC 45% typical
Pixels Per Inch (PPI)
100 141 141
Contrast ratio (typical)
400:1 600:1 700:1
Response time (max)
20 ms 35 ms 35 ms
Refresh rate
60 Hz 120 Hz 60 Hz
Horizontal view angle
40 degrees (Left/Right) 80 degrees (Left/Right) 80 degrees (Left/Right)
Vertical view angle
10 degrees (Up) / 30 degrees
(Down)
80 degrees (Up/Down) 80 degrees (Up/Down)
Pixel pitch
0.252 x 0.252 mm 0.17925 x 0.17925 mm 0.17925 x 0.17925 mm
Power consumption
(maximum)
4.2 W 5.25 W 4.1 W
Anti-glare vs glossy finish
Anti-glare Anti-glare Anti-glare
Fingerprint reader
The following table lists the fingerprint-reader specifications of your Inspiron 15 3520.
NOTE: The fingerprint reader is located on the power button.
NOTE: The fingerprint reader is an optional offering.
Table 21. Fingerprint reader specificationsî
Description Values
Fingerprint-reader sensor technology
Capacitive
Fingerprint-reader sensor resolution
500 dpi
Fingerprint-reader sensor pixel size
108 x 88
22 Specifications of Inspiron 15 3520
23 / 29 22 / 27 23 / 29 22 / 27 23 / 29
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